On 08/08/2018 22:12, Alain wrote:
> Le 18-08-07 à 11:20, Stephen a écrit :
> 
>> Thanks Alain, I seldom use area lights and this is the first time I 
>> have used adaptive.
>> When you said samples is that what the offline help names Size_1 & 
>> Size_2, in the line;
>> AXIS_1_VECTOR, AXIS_2_VECTOR, Size_1, Size_2?
>>
> 
> Yes, Size_1 and Size_2.
> 
> AXIS_1_VECTOR and AXIS_2_VECTOR set the extent of the area_light.
> Size_1 and Size_2 set the number of components, or samples, in the 
> area_light.
> 
> When using orient, the pairs need to be of the same size. The 
> AXIS_n_VECTORs need to have the same length and be perpendicular.
> And, you need Size_1 = Size_2.
> 
> When using adaptive, always start with adaptive 0 and only increase if 
> you really need to.
> 
> 
> 

Thanks for the advice Alain


-- 

Regards
     Stephen

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